World History Minute: January 7, 1610, Galileo discovers Jupiter moons

January 7, 2015

For our World History Minute, historian John Schmidt tells us about the day Galileo Galilei discovered the moons around Jupiter.
PHOTO: NASA montage of New Horizons images of Jupiter and its volcanic moon Io, taken during the spacecraft’s Jupiter flyby in early 2007. (AP Photo/NASA)